She was too strong of a person?

[She stops trying to remember what the Tohsaka in this town had been like. Right now, she has to focus on finding out the details behinds the new dopplegangers.]

It seems all of Mayfield's creations have some sort of theme. Drones are obviously overly cheerful and mindless. The previous dopplegangers were more refined, but still passive agressive. What defect do these dopplegangers have besides feeling subtly wrong? What is their "theme?"